Tatiana G. Rappoport

Jun 20, 2024 | link.aps.org | Instituto Técnico |Instituto de Telecomunicações |Tatiana G. Rappoport |Rodrigo P. Câmara

Photonic platforms invariant under parity (P), time-reversal (T), and duality (D) can support topological phases analogous to those found in time-reversal invariant Z2 electronic systems with conserved spin. Here, we demonstrate the resilience of the underlying spin Chern phases against non-Hermitian effects, notably material dissipation. We identify that non-Hermitian, PD-symmetric, and reciprocal photonic insulators fall into two topologically distinct classes.

Jul 5, 2023 | nature.com | Tatiana G. Rappoport

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